Assessment of Fetal Autonomic Nervous System Activity by Fetal Magnetocardiography: Comparison of Normal Pregnancy and Intrauterine Growth Restriction
Figure 3
Determination of PQ, QRS, and QT intervals by differentiation. In performing FMCG, a total of 300–500 heartbeats detected per determination were summated to yield the mean. The initial and termination points of the PQ, QRS, and T wave were defined by the first derivate of .
